OPP have arrested a 19-year-old man in connection to threats received at Fort Frances High School.
Police say they picked up the suspect yesterday afternoon.
It is in connection to threats made to the high school on Wednesday.
He has been charged with uttering threats and mischief.
He was held in custody pending a court appearance on Friday.
The high school has been closed for the past two days as a safety precaution.
The Rainy River District School Board says classes will resume on Monday.